Finding the Fourth Proportional to 978.01, 1,467.59 and 362.15

Step by Step Solution

1. Step 1: Write the proportion equation
   978.01 : 1,467.59 = 362.15 : x
2. Step 2: Convert to fraction form
   978.01/1,467.59 = 362.15/x
3. Step 3: Cross multiply
   978.01x = 1,467.59 × 362.15
4. Step 4: Simplify right side
   978.01x = 531,487.72
5. Step 5: Solve for x
   x = 531,487.72/978.01
6. Step 6: Final answer
   x = 543.44